Claude Code transcript - page 6/9
teh plot was actually created in teh R console [Image #1]. This is from View -> output ✅ Positron detected - Enabling advanced features ✅ Plot Watcher activated ℹ️ Positron features enabled (Plot detection active)
The user is showing me that:
1. They typed plot(cars) directly in the R console (I can see > plot(cars) in the CONSOLE tab)
2. The plot was created and appears in the PLOTS panel on the right
3. The extension initialized correctly according to the output:
- ✅ Positron detected - Enabling advanced features
- ✅ Plot Watcher activated
- ℹ️ Positron features enabled (Plot detection active)
But they didn't see the "📊 Plot created!" notification.
So the PlotWatcher is activated, but it's not showing the notification. This means either: 1. The event isn't firing 2. The event is firing but the notification code isn't working 3. The notification appeared but they missed it
Let me think about what's happening. The PlotWatcher is watching for:
1. onDidExecuteCode - to detect plotting code
2. onDidReceiveRuntimeMessage - to capture the actual plot data
The issue might be that:
- The onDidExecuteCode event fires when they type plot(cars)
- It detects it's plotting code via isPlotCode()
- It calls watchForPlot() which does nothing
- Then onDidReceiveRuntimeMessage should fire when the plot is created
- This should call handlePlotCreated() which shows the notification
But maybe the events aren't wiring up correctly. Let me check the code:
In activate():
// Watch for code execution
this.disposables.push(
this.positron.runtime.onDidExecuteCode(async (event: any) => {
// Only watch R and Python
if (event.languageId !== 'r' && event.languageId !== 'python') {
return;
}
// Check if code looks like plotting code
if (this.isPlotCode(event.code)) {
await this.watchForPlot(event);
}
})
);
// Watch for runtime state changes
const sessions = await this.positron.runtime.getActiveSessions();
for (const session of sessions) {
this.watchSession(session);
}
And in watchSession(), it sets up onDidReceiveRuntimeMessage listener.
The issue might be that watchSession() is only called for sessions that exist when activate() is called. But if the session is started AFTER the extension activates, we won't be watching it!
I need to also watch for NEW sessions being created. The extension activ
I realize the extension activation logic is incomplete. The current implementation only watches existing sessions, potentially missing new runtime sessions that start after initial activation. This means plot detection could fail for sessions created dynamically after the extension loads.
To resolve this, I'll implement a listener for new session creation and ensure comprehensive runtime session monitoring. Adding diagnostic logging will help track session lifecycle and verify the monitoring strategy works correctly.
Good detective work! The extension is initializing correctly, but the notification isn't appearing. This suggests the PlotWatcher isn't detecting the plot creation event.
Most Likely Issue: Session Timing
The PlotWatcher only watches sessions that already exist when the extension activates. If the R session starts after the extension activates (which is common), we won't be listening to it.
Let me add debugging and fix this:
/**
* Start watching for plots in active runtime sessions
*/
async activate() {
// Watch for code execution
this.disposables.push(
this.positron.runtime.onDidExecuteCode(async (event: any) => {
// Only watch R and Python
if (event.languageId !== 'r' && event.languageId !== 'python') {
return;
}
// Check if code looks like plotting code
if (this.isPlotCode(event.code)) {
await this.watchForPlot(event);
}
})
);
// Watch for runtime state changes
const sessions = await this.positron.runtime.getActiveSessions();
for (const session of sessions) {
this.watchSession(session);
}
} /**
* Start watching for plots in active runtime sessions
*/
async activate() {
console.log('[PlotWatcher] Activating...');
// Watch for code execution
this.disposables.push(
this.positron.runtime.onDidExecuteCode(async (event: any) => {
console.log('[PlotWatcher] Code executed:', event.languageId, event.code.substring(0, 50));
// Only watch R and Python
if (event.languageId !== 'r' && event.languageId !== 'python') {
return;
}
// Check if code looks like plotting code
if (this.isPlotCode(event.code)) {
console.log('[PlotWatcher] Detected plotting code!');
await this.watchForPlot(event);
}
})
);
// Watch for NEW sessions being created
this.disposables.push(
this.positron.runtime.onDidChangeForegroundSession(async (sessionId: any) => {
if (sessionId) {
console.log('[PlotWatcher] New foreground session:', sessionId);
const session = await this.positron.runtime.getSession(sessionId);
if (session) {
this.watchSession(session);
}
}
})
);
// Watch existing sessions
const sessions = await this.positron.runtime.getActiveSessions();
console.log('[PlotWatcher] Found', sessions.length, 'existing sessions');
for (const session of sessions) {
this.watchSession(session);
}
}The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
15→ throw new Error('Positron API not available');
16→ }
17→ }
18→
19→ /**
20→ * Start watching for plots in active runtime sessions
21→ */
22→ async activate() {
23→ console.log('[PlotWatcher] Activating...');
24→
25→ // Watch for code execution
26→ this.disposables.push(
27→ this.positron.runtime.onDidExecuteCode(async (event: any) => {
28→ console.log('[PlotWatcher] Code executed:', event.languageId, event.code.substring(0, 50));
29→
30→ // Only watch R and Python
31→ if (event.languageId !== 'r' && event.languageId !== 'python') {
32→ return;
33→ }
34→
35→ // Check if code looks like plotting code
36→ if (this.isPlotCode(event.code)) {
37→ console.log('[PlotWatcher] Detected plotting code!');
38→ await this.watchForPlot(event);
39→ }
40→ })
41→ );
42→
43→ // Watch for NEW sessions being created
44→ this.disposables.push(
45→ this.positron.runtime.onDidChangeForegroundSession(async (sessionId: any) => {
46→ if (sessionId) {
47→ console.log('[PlotWatcher] New foreground session:', sessionId);
48→ const session = await this.positron.runtime.getSession(sessionId);
49→ if (session) {
50→ this.watchSession(session);
51→ }
52→ }
53→ })
54→ );
55→
56→ // Watch existing sessions
57→ const sessions = await this.positron.runtime.getActiveSessions();
58→ console.log('[PlotWatcher] Found', sessions.length, 'existing sessions');
59→ for (const session of sessions) {
60→ this.watchSession(session);
61→ }
62→ }
63→
64→ /**
65→ * Watch a runtime session for plot creation
66→ */Good, I added logging and also added a watch for new sessions via onDidChangeForegroundSession. Now let me also add logging to the session watcher and plot creation handler to see where the flow breaks.
/**
* Watch a runtime session for plot creation
*/
private async watchSession(session: any) {
// Get full session interface
const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
if (!fullSession) return;
// Listen for runtime messages (includes plots)
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
const output = message;
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
this.handlePlotCreated(output, session);
}
}
})
);
// Listen for state changes to detect when code finishes
this.disposables.push(
fullSession.onDidChangeRuntimeState((state: any) => {
if (state === this.positron.RuntimeState.Idle) {
// Runtime became idle - good time to offer plot improvements
this.checkForRecentPlots(session);
}
})
);
} /**
* Watch a runtime session for plot creation
*/
private async watchSession(session: any) {
console.log('[PlotWatcher] Watching session:', session.runtimeMetadata?.runtimeName);
// Get full session interface
const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
if (!fullSession) {
console.log('[PlotWatcher] Could not get full session');
return;
}
// Listen for runtime messages (includes plots)
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
const output = message;
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 📊 Plot detected in output!');
this.handlePlotCreated(output, session);
}
}
})
);
// Listen for state changes to detect when code finishes
this.disposables.push(
fullSession.onDidChangeRuntimeState((state: any) => {
if (state === this.positron.RuntimeState.Idle) {
// Runtime became idle - good time to offer plot improvements
this.checkForRecentPlots(session);
}
})
);
console.log('[PlotWatcher] Session watch setup complete');
}The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
60→ this.watchSession(session);
61→ }
62→ }
63→
64→ /**
65→ * Watch a runtime session for plot creation
66→ */
67→ private async watchSession(session: any) {
68→ console.log('[PlotWatcher] Watching session:', session.runtimeMetadata?.runtimeName);
69→
70→ // Get full session interface
71→ const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
72→ if (!fullSession) {
73→ console.log('[PlotWatcher] Could not get full session');
74→ return;
75→ }
76→
77→ // Listen for runtime messages (includes plots)
78→ this.disposables.push(
79→ fullSession.onDidReceiveRuntimeMessage((message: any) => {
80→ if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
81→ const output = message;
82→
83→ // Check if this output is a plot
84→ if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
85→ console.log('[PlotWatcher] 📊 Plot detected in output!');
86→ this.handlePlotCreated(output, session);
87→ }
88→ }
89→ })
90→ );
91→
92→ // Listen for state changes to detect when code finishes
93→ this.disposables.push(
94→ fullSession.onDidChangeRuntimeState((state: any) => {
95→ if (state === this.positron.RuntimeState.Idle) {
96→ // Runtime became idle - good time to offer plot improvements
97→ this.checkForRecentPlots(session);
98→ }
99→ })
100→ );
101→
102→ console.log('[PlotWatcher] Session watch setup complete');
103→ }
104→
105→ /**
106→ * Handle plot creation
107→ */Good, now let me also add logging to the handlePlotCreated method to see if it's being called.
/**
* Handle plot creation
*/
private async handlePlotCreated(output: any, session: any) {
const plotId = output.output_id || output.id;
// Get plot data
const plotData = output.data['image/png'] || output.data['image/svg+xml'];
const format = output.data['image/png'] ? 'png' : 'svg';
// Get recent code (simplified - would track from onDidExecuteCode)
const recentCode = '';
// Store plot capture
this.recentPlots.set(plotId, {
id: plotId,
data: plotData as string,
format: format,
code: recentCode,
timestamp: Date.now(),
languageId: session.runtimeMetadata.languageId
});
// Show notification
this.showPlotNotification(plotId);
} /**
* Handle plot creation
*/
private async handlePlotCreated(output: any, session: any) {
console.log('[PlotWatcher] handlePlotCreated called');
const plotId = output.output_id || output.id;
console.log('[PlotWatcher] Plot ID:', plotId);
// Get plot data
const plotData = output.data['image/png'] || output.data['image/svg+xml'];
const format = output.data['image/png'] ? 'png' : 'svg';
// Get recent code (simplified - would track from onDidExecuteCode)
const recentCode = '';
// Store plot capture
this.recentPlots.set(plotId, {
id: plotId,
data: plotData as string,
format: format,
code: recentCode,
timestamp: Date.now(),
languageId: session.runtimeMetadata.languageId
});
console.log('[PlotWatcher] About to show notification...');
// Show notification
this.showPlotNotification(plotId);
}The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
101→
102→ console.log('[PlotWatcher] Session watch setup complete');
103→ }
104→
105→ /**
106→ * Handle plot creation
107→ */
108→ private async handlePlotCreated(output: any, session: any) {
109→ console.log('[PlotWatcher] handlePlotCreated called');
110→
111→ const plotId = output.output_id || output.id;
112→ console.log('[PlotWatcher] Plot ID:', plotId);
113→
114→ // Get plot data
115→ const plotData = output.data['image/png'] || output.data['image/svg+xml'];
116→ const format = output.data['image/png'] ? 'png' : 'svg';
117→
118→ // Get recent code (simplified - would track from onDidExecuteCode)
119→ const recentCode = '';
120→
121→ // Store plot capture
122→ this.recentPlots.set(plotId, {
123→ id: plotId,
124→ data: plotData as string,
125→ format: format,
126→ code: recentCode,
127→ timestamp: Date.now(),
128→ languageId: session.runtimeMetadata.languageId
129→ });
130→
131→ console.log('[PlotWatcher] About to show notification...');
132→ // Show notification
133→ this.showPlotNotification(plotId);
134→ }
135→
136→ /**
137→ * Check for recent plots and offer improvements
138→ */Good, now let me also add logging to showPlotNotification to make sure it's actually showing the notification.
/**
* Show notification when plot is created
*/
private showPlotNotification(plotId: string) {
vscode.window.showInformationMessage(
'📊 Plot created!',
'Improve with Claude',
'Dismiss'
).then(selection => {
if (selection === 'Improve with Claude') {
const plot = this.recentPlots.get(plotId);
if (plot) {
vscode.window.showInformationMessage(
'Plot improvement feature coming soon! This will send the plot to Claude for suggestions.'
);
}
}
});
} /**
* Show notification when plot is created
*/
private showPlotNotification(plotId: string) {
console.log('[PlotWatcher] showPlotNotification called with plotId:', plotId);
vscode.window.showInformationMessage(
'📊 Plot created!',
'Improve with Claude',
'Dismiss'
).then(selection => {
console.log('[PlotWatcher] User selected:', selection);
if (selection === 'Improve with Claude') {
const plot = this.recentPlots.get(plotId);
if (plot) {
vscode.window.showInformationMessage(
'Plot improvement feature coming soon! This will send the plot to Claude for suggestions.'
);
}
}
});
console.log('[PlotWatcher] showInformationMessage called');
}The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
147→ }
148→ }
149→ }
150→
151→ /**
152→ * Show notification when plot is created
153→ */
154→ private showPlotNotification(plotId: string) {
155→ console.log('[PlotWatcher] showPlotNotification called with plotId:', plotId);
156→
157→ vscode.window.showInformationMessage(
158→ '📊 Plot created!',
159→ 'Improve with Claude',
160→ 'Dismiss'
161→ ).then(selection => {
162→ console.log('[PlotWatcher] User selected:', selection);
163→ if (selection === 'Improve with Claude') {
164→ const plot = this.recentPlots.get(plotId);
165→ if (plot) {
166→ vscode.window.showInformationMessage(
167→ 'Plot improvement feature coming soon! This will send the plot to Claude for suggestions.'
168→ );
169→ }
170→ }
171→ });
172→
173→ console.log('[PlotWatcher] showInformationMessage called');
174→ }
175→
176→ /**
177→ * Check if code is likely plotting code
178→ */Session continuation summary
This session is being continued from a previous conversation that ran out of context. The conversation is summarized below: Analysis: Let me chronologically analyze this conversation, which focused on integrating Positron-specific APIs into the Claude Studio extension to enable plot detection and session monitoring.
Conversation Flow
-
Initial Context: User received a summary from a previous conversation about Claude Studio v0.7.2 with simplified authentication flow
-
User's Request: "i am interested in this workflow approach and it matches my analysis cycle. how do i know if 1. Do you have access to Positron's extension APIs? (variable explorer, plot viewer, etc.)"
-
My Investigation:
- Found Positron's API definitions at
/Applications/Positron.app/Contents/Resources/app/out/positron-dts/positron.d.ts - Discovered extensive APIs for runtime session management, variable explorer, plot detection, code execution monitoring
-
Created comprehensive documentation files
-
User's Second Request: "1. Integrate Plot Watcher into existing extension? - Add to src/extension.ts"
-
Integration Work:
- Created 3 new feature files (positronIntegration.ts, plotWatcher.ts, sessionMonitor.ts)
- Modified src/extension.ts to initialize Positron features
- Modified package.json to add new commands
-
Built package successfully
-
First Testing Issue - Performance Problem: User reported: "it took a long time (probably 30 seconds) for plot(cars) to run, now its been a minute and i can see a status bar line moving in the variables tab"
Root Cause: SessionMonitor was calling getSessionVariables() too frequently, interfering with Positron's native variable panel
Fix: - Disabled SessionMonitor temporarily - Simplified status bar updates to not query variables - Removed automatic session context analysis
- Second Testing Issue - No Notification: User reported: "where should i see the '📊 Plot created!'?" Screenshot showed plot was created in R console but no notification appeared
Output confirmed: Extension initialized correctly with "✅ Plot Watcher activated"
Suspected Issue: PlotWatcher might not be detecting plots due to session timing or event handling
Current Debugging Effort: Adding extensive console.log statements to trace: - Session activation - Code execution events - Runtime message handling - Plot detection logic - Notification display
Technical Details
Key files modified in the most recent debugging session:
- src/features/plotWatcher.ts: Added console.log statements throughout to trace execution flow
The debugging focuses on understanding why the plot detection isn't working despite: - Extension activating correctly - Plot being created in R console - Plot appearing in PLOTS panel - PlotWatcher supposedly listening for events
User Feedback Patterns
User provided clear visual feedback through screenshots showing: 1. The performance issue with variable panel stuck 2. The plot successfully created but no notification 3. The console output confirming extension initialization
User was patient and methodical in testing, following my instructions to check the Output panel.
Summary:
1. Primary Request and Intent
Primary Requests: 1. Initial: "how do i know if 1. Do you have access to Positron's extension APIs? (variable explorer, plot viewer, etc.)" - User wanted to verify Positron API availability before building features 2. Main Request: "1. Integrate Plot Watcher into existing extension? - Add to src/extension.ts" - User explicitly requested integration of PlotWatcher into the existing Claude Studio extension 3. Testing Feedback: User tested the integrated features and provided feedback about performance issues and missing notifications
User's Intent: - Build IDE-native features that integrate with Positron's runtime to enable workflow-based assistance - Specifically interested in plot detection matching their analysis cycle - Willing to invest time in building sophisticated features despite complexity
2. Key Technical Concepts
- Positron Extension APIs: VS Code fork with additional APIs for data science
positron.runtimenamespace for session managementgetSessionVariables()for variable explorer accessonDidReceiveRuntimeMessagefor plot detectiononDidExecuteCodefor code execution monitoringonDidChangeForegroundSessionfor session tracking- Event-Driven Architecture: Using Positron's event system for reactive features
- Dynamic Module Loading: Using
require('positron')to conditionally load APIs - Graceful Degradation: Extension works in VS Code without Positron features
- Performance Considerations: Avoiding API calls that interfere with IDE's native panels
- Plot Detection: Monitoring runtime messages for
image/pngorimage/svg+xmlMIME types - Session Lifecycle: Understanding when sessions start, become active, and when to attach listeners
3. Files and Code Sections
Created Files:
src/features/positronIntegration.ts
- Purpose: Helper class to detect Positron environment and provide safe API access
- Key Code:
export class PositronIntegration {
private isPositron: boolean = false;
private positronAPI: any;
constructor(private context: vscode.ExtensionContext) {
this.detectPositron();
}
private detectPositron() {
this.isPositron = vscode.env.appName.includes('Positron');
if (this.isPositron) {
try {
this.positronAPI = require('positron');
} catch (error) {
this.isPositron = false;
}
}
}
}
src/features/plotWatcher.ts (Most Recent Changes)
- Purpose: Monitors R/Python runtime for plot creation and offers improvement workflow
- Key Recent Debugging Additions:
async activate() {
console.log('[PlotWatcher] Activating...');
// Watch for code execution
this.disposables.push(
this.positron.runtime.onDidExecuteCode(async (event: any) => {
console.log('[PlotWatcher] Code executed:', event.languageId, event.code.substring(0, 50));
if (event.languageId !== 'r' && event.languageId !== 'python') {
return;
}
if (this.isPlotCode(event.code)) {
console.log('[PlotWatcher] Detected plotting code!');
await this.watchForPlot(event);
}
})
);
// Watch for NEW sessions being created (CRITICAL FIX)
this.disposables.push(
this.positron.runtime.onDidChangeForegroundSession(async (sessionId: any) => {
if (sessionId) {
console.log('[PlotWatcher] New foreground session:', sessionId);
const session = await this.positron.runtime.getSession(sessionId);
if (session) {
this.watchSession(session);
}
}
})
);
}
private async watchSession(session: any) {
console.log('[PlotWatcher] Watching session:', session.runtimeMetadata?.runtimeName);
const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
if (!fullSession) {
console.log('[PlotWatcher] Could not get full session');
return;
}
// Listen for runtime messages (includes plots)
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
const output = message;
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 📊 Plot detected in output!');
this.handlePlotCreated(output, session);
}
}
})
);
}
private showPlotNotification(plotId: string) {
console.log('[PlotWatcher] showPlotNotification called with plotId:', plotId);
vscode.window.showInformationMessage(
'📊 Plot created!',
'Improve with Claude',
'Dismiss'
).then(selection => {
console.log('[PlotWatcher] User selected:', selection);
if (selection === 'Improve with Claude') {
const plot = this.recentPlots.get(plotId);
if (plot) {
vscode.window.showInformationMessage(
'Plot improvement feature coming soon! This will send the plot to Claude for suggestions.'
);
}
}
});
console.log('[PlotWatcher] showInformationMessage called');
}
src/features/sessionMonitor.ts (Disabled due to performance issue)
- Purpose: Tracks runtime session state and provides context awareness
- Status: TEMPORARILY DISABLED - interfered with Positron's variable panel
- Key Changes:
// Simplified to not query variables on every state change
private async updateStatusBar() {
if (!this.currentSession) {
this.statusBarItem.text = '$(debug-disconnect) No Runtime';
return;
}
// Just show runtime info without querying variables
this.statusBarItem.text = `$(server-process) ${this.currentSession.runtimeMetadata.runtimeShortName}`;
this.statusBarItem.tooltip = `Runtime: ${this.currentSession.runtimeMetadata.runtimeName}\nClick for session context`;
}
private async watchSession(session: any) {
// Watch for state changes
this.disposables.push(
fullSession.onDidChangeRuntimeState(async (state: any) => {
await this.updateStatusBar();
// Don't auto-analyze - it interferes with Positron's variable panel
// Only analyze when user explicitly requests it via showSessionContext()
})
);
}
Modified Files:
src/extension.ts
- Purpose: Main extension entry point
- Key Changes: Added Positron feature initialization
// Added imports
import { PositronIntegration } from './features/positronIntegration';
import { PlotWatcher } from './features/plotWatcher';
import { SessionMonitor } from './features/sessionMonitor';
let positronIntegration: PositronIntegration | undefined;
let plotWatcher: PlotWatcher | undefined;
let sessionMonitor: SessionMonitor | undefined;
// In activate():
await initializePositronFeatures(context);
// New function:
async function initializePositronFeatures(context: vscode.ExtensionContext): Promise<void> {
positronIntegration = new PositronIntegration(context);
if (!positronIntegration.isAvailable()) {
outputChannel.appendLine('ℹ️ Running in VS Code - Positron features disabled');
return;
}
outputChannel.appendLine('✅ Positron detected - Enabling advanced features');
try {
// Initialize PlotWatcher
plotWatcher = new PlotWatcher(context);
await plotWatcher.activate();
outputChannel.appendLine('✅ Plot Watcher activated');
// TEMPORARILY DISABLED: SessionMonitor interferes with Positron's variable panel
// sessionMonitor = new SessionMonitor(context);
// await sessionMonitor.activate();
registerPositronCommands(context);
outputChannel.appendLine('ℹ️ Positron features enabled (Plot detection active)');
} catch (error) {
outputChannel.appendLine(`⚠️ Error initializing Positron features: ${error}`);
ErrorHandler.handle(error, 'Initialize Positron Features');
}
}
// In deactivate():
if (plotWatcher) {
plotWatcher.dispose();
}
if (sessionMonitor) {
sessionMonitor.dispose();
}
package.json
- Purpose: Extension manifest
- Key Changes: Added 3 new commands
{
"command": "claude-studio.showSessionContext",
"title": "Claude Studio: Show Session Context"
},
{
"command": "claude-studio.improveCurrentPlot",
"title": "Claude Studio: Improve Current Plot"
},
{
"command": "claude-studio.getSessionVariables",
"title": "Claude Studio: Get Session Variables"
}
Documentation Files Created:
POSITRON_APIS.md (9.93 KB)
- Complete reference of available Positron APIs
- Usage examples for each API
- Practical workflow implementations
POSITRON_INTEGRATION_SUMMARY.md (8.28 KB)
- Integration guide
- Testing instructions
- Debugging information
4. Errors and Fixes
Error 1: TypeScript Compilation - Positron Module Not Found
Error:
error TS2307: Cannot find module 'positron' or its corresponding type declarations.
Root Cause: Direct import import * as positron from 'positron' failed because Positron types aren't available at compile time
Fix: Changed to dynamic loading with any type
private positron: any;
constructor(private context: vscode.ExtensionContext) {
try {
this.positron = require('positron');
} catch (error) {
throw new Error('Positron API not available');
}
}
Error 2: TypeScript Implicit 'any' Types
Error: Multiple instances of "Parameter 'X' implicitly has an 'any' type"
Fix: Added explicit any type annotations throughout:
onDidExecuteCode(async (event: any) => { ... })
onDidReceiveRuntimeMessage((message: any) => { ... })
onDidChangeRuntimeState((state: any) => { ... })
Error 3: Performance Issue - Variables Panel Stuck
User Feedback: "it took a long time (probably 30 seconds) for plot(cars) to run, now its been a minute and i can see a status bar line moving in the variables tab"
Root Cause: SessionMonitor was calling getSessionVariables() on every runtime state change, creating a race condition with Positron's native variable panel updates
Fix Applied: 1. Disabled SessionMonitor completely (commented out initialization) 2. Modified SessionMonitor to not auto-query variables:
// Before:
const variables = await this.positron.runtime.getSessionVariables(
this.currentSession.metadata.sessionId
);
const varCount = variables.flat().length;
this.statusBarItem.text = `... | ${varCount} vars`;
// After:
this.statusBarItem.text = `$(server-process) ${this.currentSession.runtimeMetadata.runtimeShortName}`;
// No variable querying
- Removed automatic session analysis on idle state
User Confirmation: Awaiting retest with new build
Error 4: Missing Plot Notification (ONGOING)
User Feedback: "where should i see the '📊 Plot created!'?" + screenshot showing plot created but no notification
User Provided Evidence:
- Output shows: "✅ Plot Watcher activated"
- Plot visible in PLOTS panel
- Plot created in R console with plot(cars)
- No notification appeared
Suspected Causes: 1. PlotWatcher may only watch sessions that exist at activation time 2. R session might start after extension activates 3. Event listeners not properly attached to the session 4. Runtime message events not firing as expected
Debugging Approach (Currently In Progress): Added extensive console.log statements to trace: - When PlotWatcher activates - When code execution events fire - When sessions are detected - When runtime messages are received - When plot detection logic runs - When notification is shown
Next Step: User needs to reload extension and check Developer Console for debug output
5. Problem Solving
Solved: Positron API Discovery
Problem: Needed to determine if Positron extension APIs were available
Solution: Found API definitions at /Applications/Positron.app/Contents/Resources/app/out/positron-dts/positron.d.ts containing comprehensive runtime, variable, and plot APIs
Solved: Dynamic API Loading
Problem: Positron module not available at compile time
Solution: Used dynamic require('positron') with try-catch and graceful degradation for VS Code compatibility
Solved: Performance Interference
Problem: Extension caused Positron's variable panel to hang for 30+ seconds Solution: Disabled automatic variable querying and SessionMonitor feature temporarily
Ongoing: Plot Detection Not Working
Problem: PlotWatcher activates successfully but doesn't show notification when plot is created Current Hypothesis: Session timing issue - extension may need to watch for sessions created after activation Debugging Strategy: Added comprehensive logging to trace event flow Status: Awaiting user's retest with debug-enabled build
6. All User Messages
-
"i am interested in this workflow approach and it matches my analysis cycle. how do i know if 1. Do you have access to Positron's extension APIs? (variable explorer, plot viewer, etc.)"
-
"1. Integrate Plot Watcher into existing extension? - Add to src/extension.ts"
-
[Screenshot showing variables panel stuck with loading indicator] "it took a long time (probably 30 seconds) for plot(cars) to run, now its been a minute and i can see a status bar line moving in the variables tab: [Image #2]. it either takes too long to be worth it, or it is stalled"
-
[Screenshot showing plot created successfully] "teh plot was actually created in teh R console [Image #1]. This is from View -> output ✅ Positron detected - Enabling advanced features ✅ Plot Watcher activated ℹ️ Positron features enabled (Plot detection active)"
-
[Screenshot showing plot in PLOTS panel] "where should i see the '📊 Plot created!'?"
7. Pending Tasks
Immediate Task: Debug why plot notification isn't appearing despite successful plot creation
Steps:
1. User needs to reload extension with new debug-enabled build
2. User creates plot with plot(cars) in R console
3. User checks Developer Console (Help → Toggle Developer Tools) for debug output
4. Analyze console logs to trace event flow and identify where detection fails
Potential Follow-up Tasks: - Fix plot detection based on debug findings - Re-enable SessionMonitor with proper throttling/debouncing - Implement actual plot improvement workflow (currently just placeholder) - Add plot image capture and sending to Claude Code terminal
8. Current Work
Immediately before this summary request, I was adding extensive debugging to src/features/plotWatcher.ts to diagnose why plot notifications aren't appearing.
Specific Changes Made:
1. Added console.log('[PlotWatcher] Activating...') at start of activate()
2. Added logging for each code execution event
3. Added logging when plotting code is detected
4. Added onDidChangeForegroundSession listener to catch sessions created after activation
5. Added logging in watchSession() to show which session is being watched
6. Added logging in handlePlotCreated() to trace plot processing
7. Added logging in showPlotNotification() to confirm notification is called
Last File Modified: src/features/plotWatcher.ts
Key Code Snippet from Last Edit:
private showPlotNotification(plotId: string) {
console.log('[PlotWatcher] showPlotNotification called with plotId:', plotId);
vscode.window.showInformationMessage(
'📊 Plot created!',
'Improve with Claude',
'Dismiss'
).then(selection => {
console.log('[PlotWatcher] User selected:', selection);
if (selection === 'Improve with Claude') {
const plot = this.recentPlots.get(plotId);
if (plot) {
vscode.window.showInformationMessage(
'Plot improvement feature coming soon! This will send the plot to Claude for suggestions.'
);
}
}
});
console.log('[PlotWatcher] showInformationMessage called');
}
Build Status: Code compiled successfully but not yet packaged into new VSIX
9. Optional Next Step
Next Step: Rebuild the extension package and have user test with Developer Console open to capture debug output.
Direct Quote from Recent Work: The last substantive message was: "where should i see the '📊 Plot created!'?" to which I responded by explaining the notification should appear "as a toast/popup message in the top-center of the window" and then identified that "The PlotWatcher is listening for code execution events, but Claude Code running in a terminal is separate from Positron's R runtime."
However, the user then clarified: "teh plot was actually created in teh R console [Image #1]" showing that the plot WAS created in the R console (not via Claude), and the Output panel confirmed "✅ Plot Watcher activated" - meaning the issue is that the plot detection logic isn't working despite proper initialization.
Specific Next Action:
1. Run npm run compile && npm run package to build new VSIX with debug logging
2. Provide instructions to user:
- Uninstall current extension
- Install new claude-studio-0.7.2.vsix
- Open Developer Tools (Help → Toggle Developer Tools → Console tab)
- Restart R session
- Run plot(cars) in R console
- Check console for [PlotWatcher] debug messages
3. Analyze debug output to identify where event detection fails.
Please continue the conversation from where we left it off without asking the user any further questions. Continue with the last task that you were asked to work on.
The user wants me to continue from where we left off. Looking at the summary, I was in the middle of debugging why plot notifications aren't appearing despite successful plot creation.
The last task was to: 1. Rebuild the extension package with debug logging 2. Have the user test with Developer Console open
Let me compile and package the extension with all the debug logging I added to plotWatcher.ts.
I should:
1. Run npm run compile && npm run package to build a new VSIX
2. Provide clear testing instructions for the user
3. Make sure all the debug logging is in place
Looking at the code I added, I see extensive console.log statements throughout plotWatcher.ts to trace: - When activation happens - Code execution events - Session changes - Runtime messages - Plot detection - Notification display
Let me build the package now.
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
> claude-studio@0.7.2 package
> npx @vscode/vsce package
Executing prepublish script 'npm run vscode:prepublish'...
> claude-studio@0.7.2 vscode:prepublish
> npm run compile
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
INFO Files included in the VSIX:
claude-studio-0.7.2.vsix
├─ [Content_Types].xml
├─ extension.vsixmanifest
└─ extension/
├─ GETTING_STARTED.md [17.28 KB]
├─ LICENSE.txt [3.73 KB]
├─ POSITRON_APIS.md [9.93 KB]
├─ POSITRON_INTEGRATION_SUMMARY.md [8.28 KB]
├─ SHARE_WITH_COLLEAGUES.md [7.77 KB]
├─ changelog.md [14.34 KB]
├─ package.json [7.69 KB]
├─ readme.md [8.78 KB]
├─ .claude/
│ └─ settings.local.json [0.16 KB]
├─ examples/
│ ├─ README.md [7.35 KB]
│ ├─ data/ (4 files) [4.49 KB]
│ └─ scripts/ (4 files) [4.63 KB]
└─ out/
├─ extension.js [16.67 KB]
├─ claude/ (3 files) [23.24 KB]
├─ commands/ (1 file) [19.69 KB]
├─ features/ (3 files) [22.95 KB]
├─ providers/ (3 files) [40.9 KB]
├─ ui/ (1 file) [5.05 KB]
└─ utils/ (2 files) [7.74 KB]
=> Run vsce ls --tree to see all included files.
DONE Packaged: /Users/scotthandley/claude-studio-standalone/claude-studio-0.7.2.vsix (34 files, 77.5 KB)Good! The extension compiled and packaged successfully. Now I need to provide the user with clear testing instructions. Based on the debugging approach, I should tell them:
- Install the new VSIX
- Open Developer Tools to see console output
- Restart R session if needed
- Create a plot and watch for debug messages
Let me create clear, step-by-step instructions.
Perfect! The extension has been rebuilt with extensive debug logging. Here are the testing instructions:
Testing Instructions
1. Install the new debug-enabled extension:
- In Positron: Cmd+Shift+P → "Extensions: Install from VSIX"
- Select claude-studio-0.7.2.vsix
- Reload window when prompted
2. Open Developer Console to see debug output:
- Help → Toggle Developer Tools
- Click the Console tab
- Keep this open during testing
3. Test plot detection:
- Start or restart your R console session
- Run: plot(cars)
- Watch for debug messages in the console
What to look for in the console:
You should see messages like:
[PlotWatcher] Activating...
[PlotWatcher] Found X existing sessions
[PlotWatcher] Watching session: R 4.x.x
[PlotWatcher] Code executed: r plot(cars)
[PlotWatcher] Detected plotting code!
[PlotWatcher] 📊 Plot detected in output!
[PlotWatcher] handlePlotCreated called
[PlotWatcher] Plot ID: ...
[PlotWatcher] showPlotNotification called with plotId: ...
If some of these messages are missing, that will tell us exactly where the detection is failing: - Missing "Code executed" = code execution events not firing - Missing "Detected plotting code" = plot pattern detection issue - Missing "Plot detected in output" = runtime message events not firing - Missing "showPlotNotification" = plot data processing issue
Once you run the test, please share what debug messages you see (or don't see) in the console, and I'll be able to pinpoint exactly what's not working.
Looking at the console output in Image #2, I can see:
- "[Extension Host] Activating Shiny extension" - Other extension activating
- "[Extension Host] [PlotWatcher] Code executed: r plot(cars)" - ✅ Code execution detected!
- "[Extension Host] [PlotWatcher] Detected plotting code!" - ✅ Plot code pattern detected!
- "[Extension Host] [PlotWatcher] Code executed: r plot(cars)" - Another execution event
- "[Extension Host] [PlotWatcher] Detected plotting code!" - Another detection
What I see: - ✅ PlotWatcher is detecting code execution - ✅ PlotWatcher is recognizing it as plotting code - ❌ BUT there's NO "[PlotWatcher] 📊 Plot detected in output!" message - ❌ NO "[PlotWatcher] handlePlotCreated called" message - ❌ NO notification shown
This tells me exactly what's wrong:
The onDidReceiveRuntimeMessage event is NOT firing, or the message doesn't contain plot data in the expected format.
The issue is in the watchSession() method. Looking at the code:
private async watchSession(session: any) {
console.log('[PlotWatcher] Watching session:', session.runtimeMetadata?.runtimeName);
const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
if (!fullSession) {
console.log('[PlotWatcher] Could not get full session');
return;
}
// Listen for runtime messages (includes plots)
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
const output = message;
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 📊 Plot detected in output!');
this.handlePlotCreated(output, session);
}
}
})
);
}
I notice the session logging isn't appearing, which suggests a potential issue with session retrieval or event registration. The method seems to be checking for plot-specific MIME types, but something is preventing the expected logging and plot handling from occurring.
The activation process involves two key event listeners: one for code execution and another for session changes. This suggests a comprehensive approach to plot detection across different runtime scenarios.
I'll trace the activation flow carefully. The method sets up listeners for code execution and session changes, then proactively watches existing sessions. The critical path seems to involve detecting plot-generating code and tracking runtime sessions.
The potential silent failure could stem from several points: the event listener registration, the plot code detection logic, or the session watching mechanism. I'll want to add more granular logging to pinpoint where the process might be breaking down.
The missing console messages suggest the activation sequence is not completing as expected. This indicates I need to verify the extension's initialization process, ensuring the PlotWatcher is properly instantiated and its activate() method is being called correctly.
The next step is to add comprehensive logging at each stage of initialization to understand exactly where the process is stalling or failing silently. I'm investigating potential issues with the PlotWatcher activation, focusing on tracing the session detection and event listener flow. The current evidence suggests the activate() method might not be fully executing or encountering problems during session identification. To diagnose this, I'll strategically insert detailed console logging at critical points in the method to track each stage of initialization and session watching. This will help pinpoint exactly where the process might be breaking down, whether during session detection, event listener setup, or subsequent session tracking mechanisms.
Excellent! This debug output is very revealing. I can see:
✅ Working:
- [PlotWatcher] Code executed: r plot(cars) - Code execution events ARE firing
- [PlotWatcher] Detected plotting code! - Plot detection pattern IS working
❌ Missing:
- [PlotWatcher] Activating... - This should be the FIRST message
- [PlotWatcher] Found X existing sessions
- [PlotWatcher] Watching session: ...
- [PlotWatcher] 📊 Plot detected in output!
- Any runtime message handling
The problem: The onDidExecuteCode event is working, but the session watching code that listens for runtime messages (where plot data comes through) is not being set up.
Let me add more comprehensive logging to trace exactly what's happening during activation and session setup:
{
"file_path": "/Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts",
"offset": 20,
"limit": 45
} 20→ * Start watching for plots in active runtime sessions
21→ */
22→ async activate() {
23→ console.log('[PlotWatcher] Activating...');
24→
25→ // Watch for code execution
26→ this.disposables.push(
27→ this.positron.runtime.onDidExecuteCode(async (event: any) => {
28→ console.log('[PlotWatcher] Code executed:', event.languageId, event.code.substring(0, 50));
29→
30→ // Only watch R and Python
31→ if (event.languageId !== 'r' && event.languageId !== 'python') {
32→ return;
33→ }
34→
35→ // Check if code looks like plotting code
36→ if (this.isPlotCode(event.code)) {
37→ console.log('[PlotWatcher] Detected plotting code!');
38→ await this.watchForPlot(event);
39→ }
40→ })
41→ );
42→
43→ // Watch for NEW sessions being created
44→ this.disposables.push(
45→ this.positron.runtime.onDidChangeForegroundSession(async (sessionId: any) => {
46→ if (sessionId) {
47→ console.log('[PlotWatcher] New foreground session:', sessionId);
48→ const session = await this.positron.runtime.getSession(sessionId);
49→ if (session) {
50→ this.watchSession(session);
51→ }
52→ }
53→ })
54→ );
55→
56→ // Watch existing sessions
57→ const sessions = await this.positron.runtime.getActiveSessions();
58→ console.log('[PlotWatcher] Found', sessions.length, 'existing sessions');
59→ for (const session of sessions) {
60→ this.watchSession(session);
61→ }
62→ }
63→
64→ /**
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>
The activate() method should log "[PlotWatcher] Activating..." but we're not seeing it in the console. This is very strange because we ARE seeing the code execution events.
Wait - let me think about this. The onDidExecuteCode events are being logged, which means that code IS running. But we're not seeing the initial "[PlotWatcher] Activating..." message.
This could mean: 1. The console is being cleared or filtered 2. The activate() method was called BEFORE the console started capturing 3. There's an error happening early in activate() that's being caught silently
Let me check if there might be a try-catch somewhere that's swallowing errors... Actually, looking at extension.ts:
try {
plotWatcher = new PlotWatcher(context);
await plotWatcher.activate();
outputChannel.appendLine('✅ Plot Watcher activated');
} catch (error) {
outputChannel.appendLine(`⚠️ Error initializing Positron features: ${error}`);
ErrorHandler.handle(error, 'Initialize Positron Features');
}
The user saw "✅ Plot Watcher activated" in the Output panel, so activate() completed successfully. But the console.log at the start isn't showing...
Actually, I think the issue might be that the console was opened AFTER the extension activated. The extension activates on startup, but the user opened the console later to test.
So the "[PlotWatcher] Activating..." message was logged, but then the console was cleared or wasn't open yet.
The key issue is that we're seeing code execution events, but NOT seeing plot detection in runtime messages. This means the onDidReceiveRuntimeMessage listener is either:
1. Not being attached
2. Attached but not firing
3. Firing but the message doesn't match our expectations
I should add MUCH more verbose logging to the watchSession method to see what's happening there. Also, I should log EVERY runtime message, not just Output messages, to see what we're actually receiving.
I see the issue now. The console shows the onDidExecuteCode events are firing (which is good), but we're not seeing the initial activation messages. This is likely because the console was opened after the extension started, so those early messages were missed.
The critical missing piece is the runtime message listener that should detect the actual plot output. Let me add much more comprehensive logging to see what's happening with runtime messages:
/**
* Watch a runtime session for plot creation
*/
private async watchSession(session: any) {
console.log('[PlotWatcher] Watching session:', session.runtimeMetadata?.runtimeName);
// Get full session interface
const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
if (!fullSession) {
console.log('[PlotWatcher] Could not get full session');
return;
}
// Listen for runtime messages (includes plots)
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
const output = message;
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 📊 Plot detected in output!');
this.handlePlotCreated(output, session);
}
}
})
);
// Listen for state changes to detect when code finishes
this.disposables.push(
fullSession.onDidChangeRuntimeState((state: any) => {
if (state === this.positron.RuntimeState.Idle) {
// Runtime became idle - good time to offer plot improvements
this.checkForRecentPlots(session);
}
})
);
console.log('[PlotWatcher] Session watch setup complete');
} /**
* Watch a runtime session for plot creation
*/
private async watchSession(session: any) {
console.log('[PlotWatcher] watchSession called');
console.log('[PlotWatcher] Session object:', session);
console.log('[PlotWatcher] Session metadata:', session.metadata);
console.log('[PlotWatcher] Session runtimeMetadata:', session.runtimeMetadata);
// Get full session interface
console.log('[PlotWatcher] Getting full session with ID:', session.metadata?.sessionId);
const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
if (!fullSession) {
console.log('[PlotWatcher] ❌ Could not get full session');
return;
}
console.log('[PlotWatcher] ✅ Got full session object');
// Listen for ALL runtime messages to see what we're receiving
console.log('[PlotWatcher] Attaching onDidReceiveRuntimeMessage listener...');
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
// Log EVERY message to see what we're getting
console.log('[PlotWatcher] 📨 Runtime message received:', message.type);
console.log('[PlotWatcher] Message data keys:', message.data ? Object.keys(message.data) : 'no data');
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
console.log('[PlotWatcher] Message is Output type');
const output = message;
// Log what data fields we have
if (output.data) {
console.log('[PlotWatcher] Output data keys:', Object.keys(output.data));
if (output.data['image/png']) {
console.log('[PlotWatcher] 📊 HAS image/png!');
}
if (output.data['image/svg+xml']) {
console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
}
}
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
this.handlePlotCreated(output, session);
} else {
console.log('[PlotWatcher] Not a plot (no image data)');
}
} else {
console.log('[PlotWatcher] Message type is not Output:', message.type);
}
})
);
console.log('[PlotWatcher] ✅ Runtime message listener attached');
// Listen for state changes to detect when code finishes
console.log('[PlotWatcher] Attaching state change listener...');
this.disposables.push(
fullSession.onDidChangeRuntimeState((state: any) => {
console.log('[PlotWatcher] Runtime state changed:', state);
if (state === this.positron.RuntimeState.Idle) {
console.log('[PlotWatcher] Runtime is now idle');
// Runtime became idle - good time to offer plot improvements
this.checkForRecentPlots(session);
}
})
);
console.log('[PlotWatcher] ✅ State listener attached');
console.log('[PlotWatcher] ✅ Session watch setup complete for:', session.runtimeMetadata?.runtimeName);
}The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
60→ this.watchSession(session);
61→ }
62→ }
63→
64→ /**
65→ * Watch a runtime session for plot creation
66→ */
67→ private async watchSession(session: any) {
68→ console.log('[PlotWatcher] watchSession called');
69→ console.log('[PlotWatcher] Session object:', session);
70→ console.log('[PlotWatcher] Session metadata:', session.metadata);
71→ console.log('[PlotWatcher] Session runtimeMetadata:', session.runtimeMetadata);
72→
73→ // Get full session interface
74→ console.log('[PlotWatcher] Getting full session with ID:', session.metadata?.sessionId);
75→ const fullSession = await this.positron.runtime.getSession(session.metadata.sessionId);
76→
77→ if (!fullSession) {
78→ console.log('[PlotWatcher] ❌ Could not get full session');
79→ return;
80→ }
81→ console.log('[PlotWatcher] ✅ Got full session object');
82→
83→ // Listen for ALL runtime messages to see what we're receiving
84→ console.log('[PlotWatcher] Attaching onDidReceiveRuntimeMessage listener...');
85→ this.disposables.push(
86→ fullSession.onDidReceiveRuntimeMessage((message: any) => {
87→ // Log EVERY message to see what we're getting
88→ console.log('[PlotWatcher] 📨 Runtime message received:', message.type);
89→ console.log('[PlotWatcher] Message data keys:', message.data ? Object.keys(message.data) : 'no data');
90→
91→ if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
92→ console.log('[PlotWatcher] Message is Output type');
93→ const output = message;
94→
95→ // Log what data fields we have
96→ if (output.data) {
97→ console.log('[PlotWatcher] Output data keys:', Object.keys(output.data));
98→ if (output.data['image/png']) {
99→ console.log('[PlotWatcher] 📊 HAS image/png!');
100→ }
101→ if (output.data['image/svg+xml']) {
102→ console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
103→ }
104→ }
105→
106→ // Check if this output is a plot
107→ if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
108→ console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
109→ this.handlePlotCreated(output, session);
110→ } else {
111→ console.log('[PlotWatcher] Not a plot (no image data)');
112→ }
113→ } else {
114→ console.log('[PlotWatcher] Message type is not Output:', message.type);
115→ }
116→ })
117→ );
118→ console.log('[PlotWatcher] ✅ Runtime message listener attached');
119→
120→ // Listen for state changes to detect when code finishes
121→ console.log('[PlotWatcher] Attaching state change listener...');
122→ this.disposables.push(
123→ fullSession.onDidChangeRuntimeState((state: any) => {
124→ console.log('[PlotWatcher] Runtime state changed:', state);
125→ if (state === this.positron.RuntimeState.Idle) {
126→ console.log('[PlotWatcher] Runtime is now idle');
127→ // Runtime became idle - good time to offer plot improvements
128→ this.checkForRecentPlots(session);
129→ }
130→ })
131→ );
132→ console.log('[PlotWatcher] ✅ State listener attached');
133→
134→ console.log('[PlotWatcher] ✅ Session watch setup complete for:', session.runtimeMetadata?.runtimeName);
135→ }
136→
137→ /**
138→ * Handle plot creation
139→ */Good, I've added very comprehensive logging to watchSession. Now I should also add a force re-watch trigger when we detect plot code, to ensure we're listening to the right session at the right time. Let me also check if there's an issue with how we're getting sessions initially.
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
> claude-studio@0.7.2 package
> npx @vscode/vsce package
Executing prepublish script 'npm run vscode:prepublish'...
> claude-studio@0.7.2 vscode:prepublish
> npm run compile
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
INFO Files included in the VSIX:
claude-studio-0.7.2.vsix
├─ [Content_Types].xml
├─ extension.vsixmanifest
└─ extension/
├─ GETTING_STARTED.md [17.28 KB]
├─ LICENSE.txt [3.73 KB]
├─ POSITRON_APIS.md [9.93 KB]
├─ POSITRON_INTEGRATION_SUMMARY.md [8.28 KB]
├─ SHARE_WITH_COLLEAGUES.md [7.77 KB]
├─ changelog.md [14.34 KB]
├─ package.json [7.69 KB]
├─ readme.md [8.78 KB]
├─ .claude/
│ └─ settings.local.json [0.16 KB]
├─ examples/
│ ├─ README.md [7.35 KB]
│ ├─ data/ (4 files) [4.49 KB]
│ └─ scripts/ (4 files) [4.63 KB]
└─ out/
├─ extension.js [16.67 KB]
├─ claude/ (3 files) [23.24 KB]
├─ commands/ (1 file) [19.69 KB]
├─ features/ (3 files) [24.83 KB]
├─ providers/ (3 files) [40.9 KB]
├─ ui/ (1 file) [5.05 KB]
└─ utils/ (2 files) [7.74 KB]
=> Run vsce ls --tree to see all included files.
DONE Packaged: /Users/scotthandley/claude-studio-standalone/claude-studio-0.7.2.vsix (34 files, 77.85 KB)Perfect! The new version is built with comprehensive logging. Now when the user installs this and runs plot(cars), we should see MUCH more detail about:
- Whether watchSession is being called at all
- What the session object looks like
- Whether we successfully get the fullSession
- Whether the runtime message listener is attached
- EVERY runtime message that comes through
- What data fields each message has
- Exactly why we're not detecting the plot
This will definitively show us where the problem is.
Perfect! Now install this new version and let's see much more detail about what's happening:
Installation:
1. Install the new claude-studio-0.7.2.vsix (Extensions: Install from VSIX)
2. Reload the window (important!)
3. Keep Developer Console open
Testing: 1. First, let's trigger session watching by restarting the R console: - Stop the R console if running - Start a new R console session
- Then create a plot:
r plot(cars)
What we'll see:
This time, we should see MUCH more output including:
- [PlotWatcher] watchSession called (when session is detected)
- [PlotWatcher] Session object: ... (the full session details)
- [PlotWatcher] ✅ Got full session object
- [PlotWatcher] ✅ Runtime message listener attached
- [PlotWatcher] 📨 Runtime message received: ... (for EVERY message)
- [PlotWatcher] Message data keys: ... (what data is in each message)
If we see runtime messages but they don't have image/png or image/svg+xml, that will tell us the message format is different than expected. If we don't see ANY runtime messages, that will tell us the listener isn't working.
Please share the console output after running plot(cars) - this will be very revealing!
Perfect! This is extremely revealing. Looking at the console output, I can see:
-
Runtime messages ARE being received:
[PlotWatcher] 📨 Runtime message received: stateand[PlotWatcher] 📨 Runtime message received: comm_data -
But the messages are of type
stateandcomm_data, NOTOutput! -
Every message shows:
[PlotWatcher] Message type is not Output: stateor[PlotWatcher] Message type is not Output: comm_data -
The messages have
data keys: no dataordata keys: ▸ (2) ['method', 'result']
So the problem is clear: The plot data is NOT coming through as LanguageRuntimeMessageType.Output messages!
The plot must be coming through a different message type or mechanism. Looking at the Positron API documentation I read earlier, I need to check what other message types exist and how plots are actually transmitted.
Let me check the Positron API types to see what message types are available.
Excellent debug output! This reveals the exact problem:
The Issue:
- Runtime messages ARE being received ✅
- But they're ALL type state or comm_data - NOT Output! ❌
- The code is checking if (message.type === this.positron.LanguageRuntimeMessageType.Output) but we're never seeing Output type messages
What we're seeing:
[PlotWatcher] 📨 Runtime message received: state
[PlotWatcher] Message type is not Output: state
[PlotWatcher] 📨 Runtime message received: comm_data
[PlotWatcher] Message type is not Output: comm_data
The plot data must be in one of these comm_data messages, not in Output messages! Let me check the Positron API documentation to understand the correct message type for plots:
grep -A 5 "image/png\|image/svg\|Plot\|Comm" /Applications/Positron.app/Contents/Resources/app/out/positron-dts/positron.d.ts | head -100
CommOpen = 'comm_open',
/** A message representing data received via a comm (to a client instance) */
CommData = 'comm_data',
/** A message indicating that a comm (client instance) was closed from the server side */
CommClosed = 'comm_closed',
/** A message representing a debug event to the frontend */
DebugEvent = 'debug_event',
/** A message representing a debug reply to the frontend */
--
/** The output should be displayed in Positron's Plots pane */
Plot = 'plot',
}
/**
* LanguageRuntimeWebOutput amends LanguageRuntimeOutput with additional information needed
* to render web content in Positron.
--
* LanguageRuntimeCommOpen is a LanguageRuntimeMessage that indicates a
* comm (client instance) was opened from the server side
*/
export interface LanguageRuntimeCommOpen extends LanguageRuntimeMessage {
/** The unique ID of the comm being opened */
comm_id: string;
/** The name (type) of the comm being opened, e.g. 'jupyter.widget' */
target_name: string;
--
/** LanguageRuntimeCommMessage is a LanguageRuntimeMessage that represents data for a comm (client instance) */
export interface LanguageRuntimeCommMessage extends LanguageRuntimeMessage {
/** The unique ID of the client comm ID for which the message is intended */
comm_id: string;
/** The data from the back-end */
data: object;
--
* LanguageRuntimeCommClosed is a LanguageRuntimeMessage that indicates a
* comm (client instance) was closed from the server side
*/
export interface LanguageRuntimeCommClosed extends LanguageRuntimeMessage {
/** The unique ID of the client comm ID for which the message is intended */
comm_id: string;
/** The data from the back-end */
data: object;
--
DidChangePlotsRenderSettings = 'did_change_plots_render_settings',
}
export interface RuntimeSessionMetadata {
/** The ID of this session */
readonly sessionId: string;
--
Plot = 'positron.plot',
DataExplorer = 'positron.dataExplorer',
Ui = 'positron.ui',
Help = 'positron.help',
Connection = 'positron.connection',
Reticulate = 'positron.reticulate',
--
* - `enableCommandUris` is not supported (we never allow commands in previews)
*/
export interface PreviewOptions {
/**
* Controls whether scripts are enabled in the webview content or not.
*
--
export interface PlotRenderSettings {
size: {
width: number;
height: number;
};
pixel_ratio: number;
format: PlotRenderFormat;
}
/**
* Possible formats for rendering a plot.
*/
export enum PlotRenderFormat {
Png = 'png',
Jpeg = 'jpeg',
Svg = 'svg',
Pdf = 'pdf',
Tiff = 'tiff'
--
export const onDidChangePlotsRenderSettings: vscode.Event<PlotRenderSettings>;
/**
* Returns the settings necessary to render a plot in the format expected by
* plot widget.
*/
export function getPlotsRenderSettings(): Thenable<PlotRenderSettings>;
}
namespace runtime {
/**Aha! I found it! There's a specific Plot = 'plot' output kind, and there's also CommData messages. Let me search more specifically for how plots work:
Found it! There's a specific plot-related type. Let me search for more details on how plots are handled:
grep -B 3 -A 10 "OutputLocation.Plot\|'plot'" /Applications/Positron.app/Contents/Resources/app/out/positron-dts/positron.d.ts | head -60
Viewer = 'viewer',
/** The output should be displayed in Positron's Plots pane */
Plot = 'plot',
}
/**
* LanguageRuntimeWebOutput amends LanguageRuntimeOutput with additional information needed
* to render web content in Positron.
*/
export interface LanguageRuntimeWebOutput extends LanguageRuntimeOutput {
/** Where the web output should be displayed */
output_location: PositronOutputLocation;So there's OutputLocation.Plot which indicates output should go to Plots pane. But I need to understand what message type this comes through as. Let me check the LanguageRuntimeOutput type and see what parent type it has.
grep -B 5 -A 15 "interface LanguageRuntimeOutput\|enum LanguageRuntimeMessageType" /Applications/Positron.app/Contents/Resources/app/out/positron-dts/positron.d.ts | head -80
* identifies a build of Positron within a release.
*/
export const buildNumber: number;
/** The set of possible language runtime messages */
export enum LanguageRuntimeMessageType {
/** A message instructing the frontend to clear the output of a runtime execution. */
ClearOutput = 'clear_output',
/** A message representing output (text, plots, etc.) */
Output = 'output',
/** A message representing the computational result of a runtime execution */
Result = 'result',
/** A message representing output from one of the standard streams (stdout or stderr) */
Stream = 'stream',
/** A message representing echoed user input */
Input = 'input',
--
/** Wait to clear the output until new output is available. */
wait: boolean;
}
/** LanguageRuntimeOutput is a LanguageRuntimeMessage representing output (text, plots, etc.) */
export interface LanguageRuntimeOutput extends LanguageRuntimeMessage {
/** A record of data MIME types to the associated data, e.g. `text/plain` => `'hello world'` */
data: Record<string, unknown>;
/**
* The optional identifier of the output. If specified, this output can be referenced
* in future messages e.g. when {@link LanguageRuntimeUpdateOutput updating an output}.
*/
output_id?: string;
}
/**
* LanguageRuntimeUpdateOutput is a LanguageRuntimeMessage instructing the frontend
* to update an existing output.
*/
export interface LanguageRuntimeUpdateOutput extends LanguageRuntimeMessage {Okay, so according to the API:
LanguageRuntimeMessageType.Output = 'output'- represents output including plotsLanguageRuntimeOutputhas adatafield which is aRecord<string, unknown>containing MIME types liketext/plain,image/png, etc.
But in the console log, we're seeing messages of type state and comm_data, not output.
Let me look at what we're actually checking in the code. The issue is likely that we're comparing against an enum value incorrectly. Let me check the exact comparison.
Now I see the issue! The message type should be 'output' (the string), but we might be comparing it incorrectly. Let me fix the code to check for the actual string value and log what we're comparing:
// Listen for ALL runtime messages to see what we're receiving
console.log('[PlotWatcher] Attaching onDidReceiveRuntimeMessage listener...');
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
// Log EVERY message to see what we're getting
console.log('[PlotWatcher] 📨 Runtime message received:', message.type);
console.log('[PlotWatcher] Message data keys:', message.data ? Object.keys(message.data) : 'no data');
if (message.type === this.positron.LanguageRuntimeMessageType.Output) {
console.log('[PlotWatcher] Message is Output type');
const output = message;
// Log what data fields we have
if (output.data) {
console.log('[PlotWatcher] Output data keys:', Object.keys(output.data));
if (output.data['image/png']) {
console.log('[PlotWatcher] 📊 HAS image/png!');
}
if (output.data['image/svg+xml']) {
console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
}
}
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
this.handlePlotCreated(output, session);
} else {
console.log('[PlotWatcher] Not a plot (no image data)');
}
} else {
console.log('[PlotWatcher] Message type is not Output:', message.type);
}
})
); // Listen for ALL runtime messages to see what we're receiving
console.log('[PlotWatcher] Attaching onDidReceiveRuntimeMessage listener...');
this.disposables.push(
fullSession.onDidReceiveRuntimeMessage((message: any) => {
// Log EVERY message to see what we're getting
console.log('[PlotWatcher] 📨 Runtime message received, type:', message.type);
console.log('[PlotWatcher] Full message object:', message);
// Check both enum value and string value
const expectedOutputType = this.positron.LanguageRuntimeMessageType?.Output;
console.log('[PlotWatcher] Expected Output type value:', expectedOutputType);
console.log('[PlotWatcher] Comparing:', message.type, '===', expectedOutputType, '?', message.type === expectedOutputType);
console.log('[PlotWatcher] Also checking string "output":', message.type === 'output');
// Try both comparisons - enum and string
if (message.type === this.positron.LanguageRuntimeMessageType?.Output ||
message.type === 'output') {
console.log('[PlotWatcher] ✅ Message is Output type!');
const output = message;
// Log what data fields we have
if (output.data) {
console.log('[PlotWatcher] Output has data! Keys:', Object.keys(output.data));
if (output.data['image/png']) {
console.log('[PlotWatcher] 📊 HAS image/png!');
}
if (output.data['image/svg+xml']) {
console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
}
}
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
this.handlePlotCreated(output, session);
} else {
console.log('[PlotWatcher] Not a plot (no image data)');
}
} else {
console.log('[PlotWatcher] Message type is not Output:', message.type);
}
})
);The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
79→ return;
80→ }
81→ console.log('[PlotWatcher] ✅ Got full session object');
82→
83→ // Listen for ALL runtime messages to see what we're receiving
84→ console.log('[PlotWatcher] Attaching onDidReceiveRuntimeMessage listener...');
85→ this.disposables.push(
86→ fullSession.onDidReceiveRuntimeMessage((message: any) => {
87→ // Log EVERY message to see what we're getting
88→ console.log('[PlotWatcher] 📨 Runtime message received, type:', message.type);
89→ console.log('[PlotWatcher] Full message object:', message);
90→
91→ // Check both enum value and string value
92→ const expectedOutputType = this.positron.LanguageRuntimeMessageType?.Output;
93→ console.log('[PlotWatcher] Expected Output type value:', expectedOutputType);
94→ console.log('[PlotWatcher] Comparing:', message.type, '===', expectedOutputType, '?', message.type === expectedOutputType);
95→ console.log('[PlotWatcher] Also checking string "output":', message.type === 'output');
96→
97→ // Try both comparisons - enum and string
98→ if (message.type === this.positron.LanguageRuntimeMessageType?.Output ||
99→ message.type === 'output') {
100→ console.log('[PlotWatcher] ✅ Message is Output type!');
101→ const output = message;
102→
103→ // Log what data fields we have
104→ if (output.data) {
105→ console.log('[PlotWatcher] Output has data! Keys:', Object.keys(output.data));
106→ if (output.data['image/png']) {
107→ console.log('[PlotWatcher] 📊 HAS image/png!');
108→ }
109→ if (output.data['image/svg+xml']) {
110→ console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
111→ }
112→ }
113→
114→ // Check if this output is a plot
115→ if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
116→ console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
117→ this.handlePlotCreated(output, session);
118→ } else {
119→ console.log('[PlotWatcher] Not a plot (no image data)');
120→ }
121→ } else {
122→ console.log('[PlotWatcher] Message type is not Output:', message.type);
123→ }
124→ })
125→ );
126→ console.log('[PlotWatcher] ✅ Runtime message listener attached');
127→
128→ // Listen for state changes to detect when code finishes
129→ console.log('[PlotWatcher] Attaching state change listener...');Good, now let me rebuild and we should see much more detail about what the actual message type value is and whether it matches the enum.
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
> claude-studio@0.7.2 package
> npx @vscode/vsce package
Executing prepublish script 'npm run vscode:prepublish'...
> claude-studio@0.7.2 vscode:prepublish
> npm run compile
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
INFO Files included in the VSIX:
claude-studio-0.7.2.vsix
├─ [Content_Types].xml
├─ extension.vsixmanifest
└─ extension/
├─ GETTING_STARTED.md [17.28 KB]
├─ LICENSE.txt [3.73 KB]
├─ POSITRON_APIS.md [9.93 KB]
├─ POSITRON_INTEGRATION_SUMMARY.md [8.28 KB]
├─ SHARE_WITH_COLLEAGUES.md [7.77 KB]
├─ changelog.md [14.34 KB]
├─ package.json [7.69 KB]
├─ readme.md [8.78 KB]
├─ .claude/
│ └─ settings.local.json [0.16 KB]
├─ examples/
│ ├─ README.md [7.35 KB]
│ ├─ data/ (4 files) [4.49 KB]
│ └─ scripts/ (4 files) [4.63 KB]
└─ out/
├─ extension.js [16.67 KB]
├─ claude/ (3 files) [23.24 KB]
├─ commands/ (1 file) [19.69 KB]
├─ features/ (3 files) [25.36 KB]
├─ providers/ (3 files) [40.9 KB]
├─ ui/ (1 file) [5.05 KB]
└─ utils/ (2 files) [7.74 KB]
=> Run vsce ls --tree to see all included files.
DONE Packaged: /Users/scotthandley/claude-studio-standalone/claude-studio-0.7.2.vsix (34 files, 77.98 KB)Perfect. Now the extension will log the full message object and do detailed comparison of the message type. This will tell us exactly what's going on with the type checking.
Excellent! Now this version will show us: 1. The full message object structure 2. What the expected Output enum value is 3. A detailed comparison of the message type 4. Whether the string "output" matches
Please install this new version and run plot(cars) again. This will tell us exactly why the type comparison is failing and what the actual message structure looks like when a plot is created.
The console output will now show us precisely what value message.type has and what we're comparing it to. This will solve the mystery!
Perfect! Now I can see the exact issue from the debug output:
[PlotWatcher] Expected Output type value: output
[PlotWatcher] Comparing: state === output ? false
[PlotWatcher] Also checking string "output": false
And then later:
[PlotWatcher] Expected Output type value: output
[PlotWatcher] Comparing: comm_data === output ? false
[PlotWatcher] Also checking string "output": false
So the expected value IS "output" (string), but we're only getting messages of type "state" and "comm_data". We're never getting an "output" type message!
Looking at the Positron API docs I searched earlier, I see that plots might be sent via a different mechanism. Let me look at the full message object that was logged:
From the screenshot I can see:
[PlotWatcher] Full message object:
{id: '66043c37-bd9e-4e0f-97bb-fc180837420d', parent_id: 'ff728445-b859-4a2c-bece-12af2e8350f8', type: 'state', state: 'idle', metadata: {...}}
and
[PlotWatcher] Full message object:
{id: 'ccc03cdf-4713-46a9-ac0f-9966b6afe139', parent_id: 'ff728445-b859-4a2c-bece-12af2e8350f8', type: 'comm_data', comm_id: 'bbdabcdf-9b3d-4f42-b618-fa7809a98841', data: {...}, ...}
Wait - the plot data might be in those comm_data messages! Let me look at what the Positron API docs said about comms and plots.
From my earlier search:
I'll investigate the comm messages as an alternative plot transmission method. I'll focus on filtering comm_data messages with a 'positron.plot' target, extracting plot details from their data field. This approach shifts my strategy from waiting for direct output messages to parsing specialized communication channels for plot information.
Perfect! This is extremely revealing. I can see exactly what's happening:
Key findings: 1. Expected Output type value: output ✅ (the enum value is correct) 2. Comparing: state === output ? false ❌ (we're getting 'state' messages) 3. Comparing: comm_data === output ? false ❌ (we're getting 'comm_data' messages) 4. Also checking string "output": false ❌ (neither are 'output')
The actual issue: Plot data is NOT sent as 'output' messages - it's sent as 'comm_data' messages!
Looking at the console, I can see the comm_data message structure:
type: 'comm_data',
comm_id: 'bbdabcdf-9b3d-4f42-b618-fa7809a98841',
data: {...}
The plot data must be inside those comm_data messages. Let me update the code to inspect comm_data messages for plot content:
// Try both comparisons - enum and string
if (message.type === this.positron.LanguageRuntimeMessageType?.Output ||
message.type === 'output') {
console.log('[PlotWatcher] ✅ Message is Output type!');
const output = message;
// Log what data fields we have
if (output.data) {
console.log('[PlotWatcher] Output has data! Keys:', Object.keys(output.data));
if (output.data['image/png']) {
console.log('[PlotWatcher] 📊 HAS image/png!');
}
if (output.data['image/svg+xml']) {
console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
}
}
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
this.handlePlotCreated(output, session);
} else {
console.log('[PlotWatcher] Not a plot (no image data)');
}
} else {
console.log('[PlotWatcher] Message type is not Output:', message.type);
} // Check for both Output and CommData messages
if (message.type === this.positron.LanguageRuntimeMessageType?.Output ||
message.type === 'output') {
console.log('[PlotWatcher] ✅ Message is Output type!');
const output = message;
// Log what data fields we have
if (output.data) {
console.log('[PlotWatcher] Output has data! Keys:', Object.keys(output.data));
if (output.data['image/png']) {
console.log('[PlotWatcher] 📊 HAS image/png!');
}
if (output.data['image/svg+xml']) {
console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
}
}
// Check if this output is a plot
if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
this.handlePlotCreated(output, session);
} else {
console.log('[PlotWatcher] Not a plot (no image data)');
}
} else if (message.type === this.positron.LanguageRuntimeMessageType?.CommData ||
message.type === 'comm_data') {
console.log('[PlotWatcher] ✅ Message is CommData type!');
console.log('[PlotWatcher] CommData message.data:', message.data);
console.log('[PlotWatcher] CommData message.data type:', typeof message.data);
if (message.data) {
console.log('[PlotWatcher] CommData data keys:', Object.keys(message.data));
// Check if comm_data has image data
if (message.data['image/png'] || message.data['image/svg+xml']) {
console.log('[PlotWatcher] 🎉 PLOT DETECTED IN COMM_DATA!');
this.handlePlotCreated(message, session);
} else {
console.log('[PlotWatcher] CommData does not contain plot image');
}
}
} else {
console.log('[PlotWatcher] Message type is not Output or CommData:', message.type);
}The file /Users/scotthandley/claude-studio-standalone/src/features/plotWatcher.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
93→ console.log('[PlotWatcher] Expected Output type value:', expectedOutputType);
94→ console.log('[PlotWatcher] Comparing:', message.type, '===', expectedOutputType, '?', message.type === expectedOutputType);
95→ console.log('[PlotWatcher] Also checking string "output":', message.type === 'output');
96→
97→ // Check for both Output and CommData messages
98→ if (message.type === this.positron.LanguageRuntimeMessageType?.Output ||
99→ message.type === 'output') {
100→ console.log('[PlotWatcher] ✅ Message is Output type!');
101→ const output = message;
102→
103→ // Log what data fields we have
104→ if (output.data) {
105→ console.log('[PlotWatcher] Output has data! Keys:', Object.keys(output.data));
106→ if (output.data['image/png']) {
107→ console.log('[PlotWatcher] 📊 HAS image/png!');
108→ }
109→ if (output.data['image/svg+xml']) {
110→ console.log('[PlotWatcher] 📊 HAS image/svg+xml!');
111→ }
112→ }
113→
114→ // Check if this output is a plot
115→ if (output.data && (output.data['image/png'] || output.data['image/svg+xml'])) {
116→ console.log('[PlotWatcher] 🎉 PLOT DETECTED IN OUTPUT!');
117→ this.handlePlotCreated(output, session);
118→ } else {
119→ console.log('[PlotWatcher] Not a plot (no image data)');
120→ }
121→ } else if (message.type === this.positron.LanguageRuntimeMessageType?.CommData ||
122→ message.type === 'comm_data') {
123→ console.log('[PlotWatcher] ✅ Message is CommData type!');
124→ console.log('[PlotWatcher] CommData message.data:', message.data);
125→ console.log('[PlotWatcher] CommData message.data type:', typeof message.data);
126→
127→ if (message.data) {
128→ console.log('[PlotWatcher] CommData data keys:', Object.keys(message.data));
129→
130→ // Check if comm_data has image data
131→ if (message.data['image/png'] || message.data['image/svg+xml']) {
132→ console.log('[PlotWatcher] 🎉 PLOT DETECTED IN COMM_DATA!');
133→ this.handlePlotCreated(message, session);
134→ } else {
135→ console.log('[PlotWatcher] CommData does not contain plot image');
136→ }
137→ }
138→ } else {
139→ console.log('[PlotWatcher] Message type is not Output or CommData:', message.type);
140→ }
141→ })
142→ );
143→ console.log('[PlotWatcher] ✅ Runtime message listener attached');
144→Good, now I'm checking for both 'output' and 'comm_data' message types. When we get a comm_data message, we'll log the data field and check if it contains image/png or image/svg+xml.
Let me rebuild and have the user test again.
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
> claude-studio@0.7.2 package
> npx @vscode/vsce package
Executing prepublish script 'npm run vscode:prepublish'...
> claude-studio@0.7.2 vscode:prepublish
> npm run compile
> claude-studio@0.7.2 compile
> tsc -p ./ && npm run copy-fixtures
> claude-studio@0.7.2 copy-fixtures
> node scripts/copy-fixtures.js
Copied: empty.csv
Copied: sample.csv
Copied: sample.tsv
Copied: sample_array.json
Copied: sample_object.json
Successfully copied 5 fixture files to /Users/scotthandley/claude-studio-standalone/out/test/fixtures
INFO Files included in the VSIX:
claude-studio-0.7.2.vsix
├─ [Content_Types].xml
├─ extension.vsixmanifest
└─ extension/
├─ GETTING_STARTED.md [17.28 KB]
├─ LICENSE.txt [3.73 KB]
├─ POSITRON_APIS.md [9.93 KB]
├─ POSITRON_INTEGRATION_SUMMARY.md [8.28 KB]
├─ SHARE_WITH_COLLEAGUES.md [7.77 KB]
├─ changelog.md [14.34 KB]
├─ package.json [7.69 KB]
├─ readme.md [8.78 KB]
├─ .claude/
│ └─ settings.local.json [0.16 KB]
├─ examples/
│ ├─ README.md [7.35 KB]
│ ├─ data/ (4 files) [4.49 KB]
│ └─ scripts/ (4 files) [4.63 KB]
└─ out/
├─ extension.js [16.67 KB]
├─ claude/ (3 files) [23.24 KB]
├─ commands/ (1 file) [19.69 KB]
├─ features/ (3 files) [26.37 KB]
├─ providers/ (3 files) [40.9 KB]
├─ ui/ (1 file) [5.05 KB]
└─ utils/ (2 files) [7.74 KB]
=> Run vsce ls --tree to see all included files.
DONE Packaged: /Users/scotthandley/claude-studio-standalone/claude-studio-0.7.2.vsix (34 files, 78.12 KB)Great! The package is built. Now the code will: 1. Still check for 'output' messages (just in case) 2. Also check for 'comm_data' messages 3. When it finds a comm_data message, it will: - Log the data object - Log the data type - Log the keys in the data object - Check if the data contains 'image/png' or 'image/svg+xml'
This should help us find where the plot data is hiding in those comm_data messages.
Perfect! Now this version will check both output and comm_data message types.
Install this new version and run plot(cars) again.
This should now:
1. Detect the comm_data messages (we saw them in your previous screenshot)
2. Log what's inside the data field of those messages
3. Check if the plot image is in there
The console should now show:
[PlotWatcher] ✅ Message is CommData type!
[PlotWatcher] CommData message.data: {...}
[PlotWatcher] CommData data keys: [...]
And hopefully:
[PlotWatcher] 🎉 PLOT DETECTED IN COMM_DATA!
Let's see what the comm_data messages actually contain!